I am sorry it has come to this. I know you were really hoping things would turn out differently. I think we all hope that. However, in reading your post I hope you realize how strong you sound. You have been through a lot and to come out of this and not hate him, even though you would have every right to, is growth.
His issue with cheating is his issue and not yours. You tried everything you possibly could to try and save your marriage, and I think in the end that is all we need to know, that we did everything we could.
(((Hugs)))
"Everyone you meet has baggage. Find someone who loves you enough to help you unpack." ¤Formerly DelinquentGurl¤